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题名:
Quasi-continuous metasurface for ultra-broadband and polarization-controlled electromagnetic beam deflection
作者: Wang, Yanqin; Pu, Mingbo; Zhang, Zuojun; Li, Xiong; Ma, Xiaoliang; Zhao, Zeyu; Luo, Xiangang
刊名: SCIENTIFIC REPORTS
出版日期: 2015
卷号: 5, 页码:17733
学科分类: SURFACE-PLASMON POLARITONS; META-SURFACE; METAMATERIAL; EFFICIENCY; REFLECTION; REFRACTION; HOLOGRAMS; LIGHT; LENS
DOI: 10.1038/srep17733
文章类型: 期刊论文
中文摘要: Two-dimensional metasurface has attracted growing interest in recent years, owing to its ability in manipulating the phase, amplitude and polarization state of electromagnetic wave within a single interface. However, most existing metasurfaces rely on the collective responses of a set of discrete meta-atoms to perform various functionalities. In this paper, we presented a quasi-continuous metasurface for high-efficiency and broadband beam steering in the microwave regime. It is demonstrated both in simulation and experiment that the incident beam deviates from the normal direction after transmitting through the ultrathin metasurface. The efficiency of the proposed metasurface approximates to the theoretical limit of the single-layer metasurface in a broad frequency range, owing to the elimination of the circuit resonance in traditional discrete structures. The proposed scheme promises potential applications in broadband electromagnetic modulation and communication systems, etc.
英文摘要: Two-dimensional metasurface has attracted growing interest in recent years, owing to its ability in manipulating the phase, amplitude and polarization state of electromagnetic wave within a single interface. However, most existing metasurfaces rely on the collective responses of a set of discrete meta-atoms to perform various functionalities. In this paper, we presented a quasi-continuous metasurface for high-efficiency and broadband beam steering in the microwave regime. It is demonstrated both in simulation and experiment that the incident beam deviates from the normal direction after transmitting through the ultrathin metasurface. The efficiency of the proposed metasurface approximates to the theoretical limit of the single-layer metasurface in a broad frequency range, owing to the elimination of the circuit resonance in traditional discrete structures. The proposed scheme promises potential applications in broadband electromagnetic modulation and communication systems, etc.
收录类别: SCI
项目资助者: 973 Program of China [2013CBA01700] ; National Natural Science Funds [61138002]
语种: 英语
WOS记录号: WOS:000365824200001
ISSN号: 2045-2322
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6889
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Recommended Citation:
Wang, Yanqin,Pu, Mingbo,Zhang, Zuojun,et al. Quasi-continuous metasurface for ultra-broadband and polarization-controlled electromagnetic beam deflection[J]. SCIENTIFIC REPORTS,2015,5:17733.
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